Titlebook: Constipation; Etiology, Evaluation Steven D. Wexner (21st Century Oncology Chair in C Book 2006Latest edition Springer-Verlag London 2006 C

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Defecography: Technique, Interpretation, and Current Use,

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Definitions and Epidemiology of Constipation,ies have been published to date. The prevalence of constipation ranges from 3% to 27%, averaging approximately 15%, the variance resulting from differing case definitions of constipation and the effects of varying ascertainment methods. Constipation increases progressively with age, and this increas

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Etiology of Congenital Colorectal Disease,nt advances and studies in animal models have furnished a better understanding of the embryogenesis of the human enteric nervous system and the pathophysiology of HD. Genetic studies have identified various factors that can collectively influence the disease phenotype in HD. In humans ., and . have

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Etiology of Acquired Colorectal Disease: Constipation,story and evaluation is necessary in order to determine the etiology, which is outlined in succeeding chapters. It is wise to begin with the least invasive and safest treatment and then proceed with further treatment, only if this initial treatment fails. The next few years will likely see the devel

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Methods to Measure Small-Bowel and Colonic Transit,ion about transit throughout the gut..The stable isotope breath test is a promising, noninvasive, and reliable way to measure orocecal transit time. Because test materials and breath samples can be easily and safely mailed to a central laboratory, tests can also be performed at home, in clinics, or

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Electromyography and Pudendal Nerve Terminal Motor Latency, to diagnose PSR and to assess the effect of biofeedback treatment. For practical reasons, surface EMG using an anal plug is usually preferred in this assessment. The role of PNTML and testing of anorectal sensation with electrosensitivity in constipated patients remains unclear.